/*---------------------------------------------------------
液晶LCD1602C  使用4條數(shù)據(jù)線(D4~D7)
編譯器：GCC-AVR v6.31A 日期: 2008-12-7 10:14:57
目標(biāo)芯片 : M16
時(shí)鐘: 8.0000Mhz
作者：Amas
-----------------------------------------------------------*/
/*-------------------------------------------------------------
LCD引腳定義
1---GND 
2---VCC
3---VO
4---RS
5---RW
6---EN
7到14--D0-D7
15--背景燈+
16--背景燈-
-----------------------------------------------------------------*/
#ifndef _LCD_H
#define _LCD_H

#include <avr/io.h>
#include <macros.h>

/*---------------------------------------------------------------
下面是AVR與LCD連接信息
PA2 ->RS
PA3 ->EN
地  ->RW
PA4 ->D4
PA5 ->D5
PA6 ->D6
PA7 ->D7
要使用本驅(qū)動，改變下面配置信息即可
-----------------------------------------------------------------*/
#define LCD_EN_PORT    PORTA   //以下2個要設(shè)為同一個口
#define LCD_EN_DDR     DDRA
#define LCD_RS_PORT    PORTA   //以下2個要設(shè)為同一個口
#define LCD_RS_DDR     DDRA
#define LCD_DATA_PORT  PORTA   //以下3個要設(shè)為同一個口
#define LCD_DATA_DDR   DDRA    //一定要用高4位
#define LCD_DATA_PIN   PINA
#define LCD_RS         (1<<PA2) //0x04   portA2       out
#define LCD_EN         (1<<PA3) //0x08   portA3       out
#define LCD_DATA       ((1<<PA4)|(1<<PA5)|(1<<PA6)|(1<<PA7)) //0xf0   portA4/5/6/7 out
/*--------------------------------------------------------------------------------------------------
函數(shù)說明
--------------------------------------------------------------------------------------------------*/
void LCD_init(void);
void LCD_en_write(void);
void LCD_write_command(unsigned  char command) ;
void LCD_write_data(unsigned char data);
void LCD_set_xy (unsigned char x, unsigned char y);
void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s);
void LCD_write_char(unsigned char X,unsigned char Y,unsigned char data);
void LCD_time(char H,char M,char S,char Day,char Month,char Year,char c);
void time_change(void);
void set_time(void);

#endif